WG9003961628 Hollow Bolt

This hollow bolt is a dedicated fastener for the oil circuit of Sinotruk gearboxes.

Precision forged from high-strength alloy steel, it boasts high overall toughness, excellent tensile and compression resistance, and is not prone to thread slipping or fracture.

Adopting precision turning processing, it features regular and smooth bore diameter with a burr-free inner wall, ensuring unobstructed oil flow without blockage.

The surface is treated with rust and corrosion resistance, delivering great resistance to oil contamination, high temperature and aging. It will not loosen or leak under long-term vibration conditions.

With standard and precise threads, it perfectly matches original factory hole positions and provides superior sealing and fastening performance. Easy to mount and dismount with high interchangeability, it is an essential high-quality part for gearbox oil circuit maintenance and replacement.